CN105463711A - Presser foot lifting electromagnet closed-loop control device for industrial sewing machine and control method - Google Patents
Presser foot lifting electromagnet closed-loop control device for industrial sewing machine and control method Download PDFInfo
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- CN105463711A CN105463711A CN201510991573.XA CN201510991573A CN105463711A CN 105463711 A CN105463711 A CN 105463711A CN 201510991573 A CN201510991573 A CN 201510991573A CN 105463711 A CN105463711 A CN 105463711A
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- sewing machine
- presser foot
- presser feet
- presser
- foot lifter
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/06—Presser feet
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/12—Presser-foot attachment
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- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention belongs to the technical field of sewing machines, and particularly relates to a presser foot lifting electromagnet closed-loop control device for an industrial sewing machine based on position feedback and a control method. The presser foot lifting electromagnet closed-loop control device comprises a sewing machine controller, a presser foot lifting electromagnet driving module, a presser foot lifting electromagnet device and a presser foot position detection device which are electrically connected in sequence. The sewing machine controller receives a presser foot lifting control instruction input from the external world, and the presser foot position detection device and the sewing machine controller are electrically connected to form a closed-loop structure. The presser foot position detection device detects the position of a presser foot and sends a presser foot position signal to the sewing machine controller. The sewing machine controller sends an instruction to control the presser foot electromagnet driving module to drive an electromagnet of the presser foot lifting electromagnet device to act according to the presser foot position signal so that the presser foot can move. The presser foot lifting electromagnet closed-loop control device can be intelligently controlled, various position detection devices can be adopted, multiple schemes can be selected, and the presser foot lifting electromagnet closed-loop control device is easy to obtain, high in precision, free of artificial participation, easy and convenient to use, simple in structure, easy to install and applicable to various sewing machine types.
Description
Technical field:
The invention belongs to sewing machine technique field, refer in particular to industrial sewing machine presser foot lifter electromagnet closed-loop control device and the control method of a kind of position-based feedback.
Background technology:
At present, along with the developing industry Sewing machines of electronic technology also progressively moves towards intelligent.Now commercially increasing Sewing machines all adopts the mode of solenoid actuated presser feet to realize automatic needle-foot-lifting, but because the dynamics of presser foot lifter electromagnet is not easy to control, this function of automatic needle-foot-lifting is not extensively approved.
The general control principle of existing presser foot lifter solenoid actuated presser feet is: first drive presser foot lifter electromagnet a period of time (this time, by setting parameter, is assumed to parameter 1) with the PWM of 100% dutycycle, lift in order to drive presser foot lifter; Then drive presser foot lifter electromagnet in order to keep presser foot lifter lifting status (this dutycycle, by setting parameter, is assumed to parameter 2) by the PWM of certain dutycycle.Parameter 1 is lifted in order to make presser feet, and parameter 2 keeps lifting status in order to make the presser feet lifted.If parameter 1 or parameter 2 excessive, easily cause electromagnet to burn out; If parameter 1 or parameter 2 too small, electromagnet cannot lift.Parameter 1 becomes the key parameter of presser foot lifter electromagnet life-span and Consumer's Experience with the setting of parameter 2 value.
But, 1, after electromagnet uses a period of time, because the reason such as aging causes driving force to decline; 2, there are differences between different presser foot lifter electromagnet; 3, sewing-machine foot dynamics is adjustable.Set an adequate value to drive presser foot lifter electromagnet because above reason is difficult to parameter 1 with parameter 2, electromagnet cannot lift or burn out, and it is puzzled and inconvenient to bring to user, also counteracts that the popularization of this function of automatic needle-foot-lifting simultaneously.
Summary of the invention:
The object of this invention is to provide a kind of by detecting stomp locations, judging whether presser feet lifts, thus realizing industrial sewing machine presser foot lifter electromagnet closed-loop control device and the control method of this function of automatic needle-foot-lifting better.
The present invention is achieved in that
An object of the present invention is to provide a kind of industrial sewing machine presser foot lifter electromagnet closed-loop control device, include the sewing machine control be electrically connected successively, presser foot lifter solenoid actuated module, presser foot lifter electromagnet apparatus and stomp locations checkout gear, described sewing machine control receives the presser foot lifter control instruction of extraneous input, described stomp locations checkout gear is electrically connected with sewing machine control and forms closed loop configuration, stomp locations checkout gear detects stomp locations and stomp locations signal is sent to sewing machine control, sent the action of the electromagnet of instruction console presser feet solenoid actuated module drive presser foot lifter electromagnet apparatus by sewing machine control according to stomp locations signal and then realize presser foot lifter or bleed off pressure pin.
In technique scheme, described stomp locations checkout gear is infrared tube checkout gear, comprise and be arranged on infrared transmitting tube on head and infrared receiving tube, the tube-launched infrared signal of presser feet reflective infrared is received by infrared receiving tube, by infrared receiving tube, the infrared signal received is fed back to sewing machine control, calculated the time length of infrared receiving tube feedback signal by sewing machine control, obtain the current location of presser feet.
In technique scheme, described stomp locations checkout gear includes slide rheostat, the slide plate of slide rheostat is connected with presser feet, the action of presser feet drives slide plate to move the change producing resistance and then the position being judged presser feet by sewing machine control according to resistance, described resistance value and stomp locations linear.
In technique scheme, described stomp locations checkout gear is the device based on electromagnetism intensity change, include the magnet steel be arranged on head, the transmission mechanism connecting presser feet and electromagnet core is provided with Hall element, transmission mechanism has the change of distance when presser feet lifts or put down, and then the distance between magnet steel and Hall element is changed, the intensity of the hall signal that Hall element detects changes, and judges the position of current presser feet by sewing machine control;
Or Hall element is provided with on head, presser feet is provided with magnet steel, and the intensity of the hall signal that the diverse location at presser feet place makes Hall element detect changes, and judges the position of current presser feet by sewing machine control.
In technique scheme, described stomp locations checkout gear is the checkout gear based on code device signal change, include encoder, encoder is arranged on the transmission mechanism of connection presser feet and electromagnet core, during presser feet action, encoder detects step-by-step counting, and sewing machine control judges according to umber of pulse the position that presser feet is current.
In technique scheme, described stomp locations checkout gear is ultrasonic detection device, includes the ultrasonic detection device be arranged on head, and during presser feet action, sewing machine control judges by time of return the position detecting presser feet.
In technique scheme, described stomp locations checkout gear is tension detecting apparatus, between head and presser foot device, be provided with tension detecting apparatus, during presser feet action, the tension force of tension detecting apparatus changes, and sewing machine control judges the position of presser feet by tension variation.
In technique scheme, described presser foot lifter solenoid actuated module is included in sewing machine control.
Another object of the present invention is to provide a kind of control method of industrial sewing machine presser foot lifter electromagnet closed-loop control device, comprises the steps:
1) sewing machine control receives presser feet and lifts instruction;
2) sewing machine control console presser feet solenoid actuated module drives the electromagnet of presser foot lifter electromagnet apparatus with 100% dutycycle;
3) when stomp locations checkout gear detects that presser feet lifts, sewing machine control console presser feet solenoid actuated module sets with parameter 2 the electromagnet action that dutycycle drives presser foot lifter electromagnet apparatus;
If exceed the electromagnet guard time of presser foot lifter electromagnet apparatus, presser feet lifts not yet, closes presser foot lifter solenoid actuated module and exports, with Times presser foot lifter mistake;
4) when stomp locations checkout gear detects that presser feet still lifts, when sewing machine control receive presser feet put down instruction time, reduce dutycycle to 0 gradually and close presser foot lifter solenoid actuated module to export, also directly can close presser foot lifter solenoid actuated module and export;
Otherwise drive presser foot lifter electromagnet by sewing machine control console presser feet solenoid actuated module with 100% dutycycle, increase the value of parameter 2 simultaneously.
In technique scheme, described parameter 2 is the parameters of the presser feet maintenance lifting status making to lift.
The advantage that the present invention gives prominence to compared to existing technology is:
1, Based Intelligent Control of the present invention, can use multiple position detecting device, can selection scheme many, easily realize, accuracy rate is high, does not need artificial participation, and simple and convenient, structure is easily installed, and is applicable to variously make type.
2, the present invention detects stomp locations by position detecting device, thus realizes the closed-loop control of presser foot lifter electromagnet, extends the service life of electromagnet; Avoid the fault because the presser feet that setting parameter is unreasonable or cause solenoid actuated power to decline bringing due to the reason such as aging cannot lift; Add the function that reports an error of presser foot lifter function simultaneously; Not only convenient for users, and improve operating efficiency.
3, the present invention makes Sewing machines have the function automatically detecting stomp locations by stomp locations checkout gear, realizes the closed-loop control of presser foot lifter.
Accompanying drawing illustrates:
Fig. 1 is structural representation sketch of the present invention.
Detailed description of the invention:
With specific embodiment, the invention will be further described below, see Fig. 1:
A kind of industrial sewing machine presser foot lifter electromagnet closed-loop control device, include the sewing machine control 1 be electrically connected successively, presser foot lifter solenoid actuated module 2, presser foot lifter electromagnet apparatus 3 and stomp locations checkout gear 4, described sewing machine control 1 receives the presser foot lifter control instruction of extraneous input, as speed regulator, sensor, described stomp locations checkout gear 4 is electrically connected with sewing machine control 1 and forms closed loop configuration, stomp locations checkout gear 4 detects stomp locations and stomp locations signal is sent to sewing machine control 1, send instruction console presser feet solenoid actuated module 2 by sewing machine control 1 according to stomp locations signal drive the action of the electromagnet of presser foot lifter electromagnet apparatus 3 and then realize presser foot lifter or bleed off pressure pin.
Stomp locations checkout gear 4 of the present invention realizes by multiple position-detection sensor, as: infrared facility, Hall element, contact-making switch, pressure sensor etc.Stomp locations checkout gear 4 installation site also can according to sensor type and Sewing machines Unit-type sclection, Handpiece Location can be arranged on and detect stomp locations, also can be arranged on detection electromagnet action or detection transmission mechanism change in location near electromagnet and realize the detection of this process of presser foot lifter.
Exemplify several below:
One is, based on the detection mode of infrared principles, concrete structure is:
Described stomp locations checkout gear 4 is infrared tube checkout gears, comprise the infrared transmitting tube and infrared receiving tube that are arranged on the head of presser feet, the tube-launched infrared signal of presser feet reflective infrared is received by infrared receiving tube, by infrared receiving tube, the infrared signal received is fed back to sewing machine control 1, calculated the time length of infrared receiving tube feedback signal by sewing machine control 1, obtain the current location of presser feet.
Operation principle:
1) when needing the position detecting presser feet, launch infrared signal by controlling infrared transmitting tube, run into presser feet reflective infrared signal and received by infrared receiving tube, infrared receiving tube feeds back to sewing machine control 1 the infrared signal received.
2) sewing machine control 1 calculates the time length of infrared receiving tube feedback signal by programmed algorithm, thus obtains the current location of presser feet.
Two are, based on the detection of slide rheostat change in resistance, concrete structure is:
Described stomp locations checkout gear 4 comprises slide rheostat, the slide plate of slide rheostat is connected with presser feet, the action of presser feet drives slide plate to move the change producing resistance and then the position being judged presser feet by sewing machine control 1 according to resistance, described resistance value and stomp locations linear.Slide rheostat can be connected with head by support etc.
Three are, based on the detection of electromagnetism intensity change, concrete structure is:
Described stomp locations checkout gear 4 includes the magnet steel be arranged on head, and the transmission mechanism connecting presser feet and electromagnet core is provided with Hall element, and the concrete position arranged is selected according to actual conditions.Transmission mechanism has the change of distance when presser feet lifts or put down, and then the distance between magnet steel and Hall element is changed, and the intensity of the hall signal that Hall element detects changes, and judges the position of current presser feet by sewing machine control 1;
Or Hall element is provided with on head, presser feet is provided with magnet steel, the intensity of the hall signal that the diverse location at presser feet place makes Hall element detect changes, and judges the position of current presser feet by sewing machine control 1, and the position of magnet steel and Hall element also can exchange.
Four are, based on the detection of code device signal change, concrete structure is:
Described stomp locations checkout gear 4 includes encoder, and encoder is arranged on the transmission mechanism of connection presser feet and electromagnet core, and the concrete position arranged is selected according to actual conditions.During presser feet action, encoder detects step-by-step counting, and sewing machine control judges according to umber of pulse the position that presser feet is current.
Five are, based on the detection of ultrasonic wave principle, concrete structure is:
Described stomp locations checkout gear 4 is ultrasonic detection devices, includes the ultrasonic detection device be arranged on head, and during presser feet action, sewing machine control 1 judges by time of return the position detecting presser feet.
Six are, based on the detection of tension variation, concrete structure is:
Described stomp locations checkout gear 4 is provided with tension detecting apparatus between head and presser foot device, and during presser feet action, the tension force of tension detecting apparatus changes, and sewing machine control 1 judges the position of presser feet by tension variation.
Presser foot lifter solenoid actuated module 2 of the present invention can be included in sewing machine control 1, also can separately out, design according to actual conditions.
The control method of industrial sewing machine presser foot lifter electromagnet closed-loop control device of the present invention, comprises the steps:
1) sewing machine control 1 receives presser feet and lifts instruction, and this instruction is sent by speed regulator or sensor;
2) sewing machine control 1 console presser feet solenoid actuated module 2 drives the electromagnet of presser foot lifter electromagnet apparatus 3 with 100% dutycycle;
3) when stomp locations checkout gear 4 detects that presser feet lifts, sewing machine control 1 console presser feet solenoid actuated module 2 sets with parameter 2 the electromagnet action that dutycycle drives presser foot lifter electromagnet apparatus 3, wherein, parameter 2 is the parameters of the presser feet maintenance lifting status making to lift;
If exceed presser foot lifter electromagnet guard time, presser feet lifts not yet, closes presser foot lifter solenoid actuated module 2 and exports, with Times presser foot lifter mistake;
4) when stomp locations checkout gear 4 detects that presser feet still lifts, when sewing machine control 1 receive presser foot lifter put down instruction time, reduce dutycycle to 0 gradually and close presser foot lifter solenoid actuated module 2 to export, also directly can close presser foot lifter solenoid actuated module 2 and export; Otherwise driven the electromagnet of presser foot lifter electromagnet apparatus 3 by sewing machine control 1 console presser feet solenoid actuated module 2 with 100% dutycycle, increase the value of parameter 2 simultaneously.
Above-described embodiment is only one of preferred embodiment of the present invention, not limits practical range of the present invention with this, therefore: all equivalence changes done according to shape of the present invention, structure, principle, all should be covered by within protection scope of the present invention.
Claims (10)
1. industrial sewing machine presser foot lifter electromagnet closed-loop control device, it is characterized in that: include the sewing machine control be electrically connected successively, presser foot lifter solenoid actuated module, presser foot lifter electromagnet apparatus and stomp locations checkout gear, described sewing machine control receives the presser foot lifter control instruction of extraneous input, described stomp locations checkout gear is electrically connected with sewing machine control and forms closed loop configuration, stomp locations checkout gear detects stomp locations and stomp locations signal is sent to sewing machine control, sent the action of the electromagnet of instruction console presser feet solenoid actuated module drive presser foot lifter electromagnet apparatus by sewing machine control according to stomp locations signal and then realize presser foot lifter or bleed off pressure pin.
2. industrial sewing machine presser foot lifter electromagnet closed-loop control device according to claim 1, it is characterized in that: described stomp locations checkout gear is infrared tube checkout gear, comprise and be arranged on infrared transmitting tube on head and infrared receiving tube, the tube-launched infrared signal of presser feet reflective infrared is received by infrared receiving tube, by infrared receiving tube, the infrared signal received is fed back to sewing machine control, calculated the time length of infrared receiving tube feedback signal by sewing machine control, obtain the current location of presser feet.
3. industrial sewing machine presser foot lifter electromagnet closed-loop control device according to claim 1, it is characterized in that: described stomp locations checkout gear includes slide rheostat, the slide plate of slide rheostat is connected with presser feet, the action of presser feet drives slide plate to move the change producing resistance and then the position being judged presser feet by sewing machine control according to resistance, described resistance value and stomp locations linear.
4. industrial sewing machine presser foot lifter electromagnet closed-loop control device according to claim 1, it is characterized in that: described stomp locations checkout gear is the device based on electromagnetism intensity change, include the magnet steel be arranged on head, the transmission mechanism connecting presser feet and electromagnet core is provided with Hall element, transmission mechanism has the change of distance when presser feet lifts or put down, and then the distance between magnet steel and Hall element is changed, the intensity of the hall signal that Hall element detects changes, and the position of current presser feet is judged by sewing machine control,
Or Hall element is provided with on head, presser feet is provided with magnet steel, and the intensity of the hall signal that the diverse location at presser feet place makes Hall element detect changes, and judges the position of current presser feet by sewing machine control.
5. industrial sewing machine presser foot lifter electromagnet closed-loop control device according to claim 1, it is characterized in that: described stomp locations checkout gear is the checkout gear based on code device signal change, include encoder, encoder is arranged on the transmission mechanism of connection presser feet and electromagnet core, during presser feet action, encoder detects step-by-step counting, and sewing machine control judges according to umber of pulse the position that presser feet is current.
6. industrial sewing machine presser foot lifter electromagnet closed-loop control device according to claim 1, it is characterized in that: described stomp locations checkout gear is ultrasonic detection device, include the ultrasonic detection device be arranged on head, during presser feet action, sewing machine control judges by time of return the position detecting presser feet.
7. industrial sewing machine presser foot lifter electromagnet closed-loop control device according to claim 1, it is characterized in that: described stomp locations checkout gear is tension detecting apparatus, tension detecting apparatus is provided with between head and presser foot device, during presser feet action, the tension force of tension detecting apparatus changes, and sewing machine control judges the position of presser feet by tension variation.
8. industrial sewing machine presser foot lifter electromagnet closed-loop control device according to claim 1, is characterized in that: described presser foot lifter solenoid actuated module is included in sewing machine control.
9. the industrial sewing machine control method of presser foot lifter electromagnet closed-loop control device, is characterized in that: comprise the steps:
1) sewing machine control receives presser feet and lifts instruction;
2) sewing machine control console presser feet solenoid actuated module drives the electromagnet of presser foot lifter electromagnet apparatus with 100% dutycycle;
3) when stomp locations checkout gear detects that presser feet lifts, sewing machine control console presser feet solenoid actuated module sets with parameter 2 the electromagnet action that dutycycle drives presser foot lifter electromagnet apparatus;
If exceed the electromagnet guard time of presser foot lifter electromagnet apparatus, presser feet lifts not yet, closes presser foot lifter solenoid actuated module and exports, with Times presser foot lifter mistake;
4) when stomp locations checkout gear detects that presser feet still lifts, when sewing machine control receive presser feet put down instruction time, reduce dutycycle to 0 gradually and close presser foot lifter solenoid actuated module to export, also directly can close presser foot lifter solenoid actuated module and export;
Otherwise drive presser foot lifter electromagnet by sewing machine control console presser feet solenoid actuated module with 100% dutycycle, increase the value of parameter 2 simultaneously.
10. the control method of industrial sewing machine presser foot lifter electromagnet closed-loop control device according to claim 9, is characterized in that: described parameter 2 is the parameters of the presser feet maintenance lifting status making to lift.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510991573.XA CN105463711B (en) | 2015-12-25 | 2015-12-25 | Industrial sewing machine presser foot lifter electromagnet closed-loop control device and control method |
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| CN201510991573.XA CN105463711B (en) | 2015-12-25 | 2015-12-25 | Industrial sewing machine presser foot lifter electromagnet closed-loop control device and control method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252297A (en) * | 2018-10-24 | 2019-01-22 | 浙江众邦机电科技有限公司 | The control mechanism and control method of lifting pressre of sewing machine |
| CN109537183A (en) * | 2018-11-20 | 2019-03-29 | 浙江众邦机电科技有限公司 | A kind of presser feet control method of sewing machine, device, medium and equipment |
| CN109610106A (en) * | 2019-01-22 | 2019-04-12 | 浙江众邦机电科技有限公司 | A kind of control method and system of sewing machine electromagnet |
| CN109898242A (en) * | 2019-03-07 | 2019-06-18 | 杰克缝纫机股份有限公司 | A kind of Multifunction Sensor control method and system |
| CN110258036A (en) * | 2018-03-12 | 2019-09-20 | 浙江中捷缝纫科技有限公司 | Control device for sewing-machine, method, system and sewing machine |
| TWI826932B (en) * | 2022-02-17 | 2023-12-21 | 高林股份有限公司 | Sensor-type foot press device for sewing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110258036A (en) * | 2018-03-12 | 2019-09-20 | 浙江中捷缝纫科技有限公司 | Control device for sewing-machine, method, system and sewing machine |
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| CN109537183A (en) * | 2018-11-20 | 2019-03-29 | 浙江众邦机电科技有限公司 | A kind of presser feet control method of sewing machine, device, medium and equipment |
| CN109610106A (en) * | 2019-01-22 | 2019-04-12 | 浙江众邦机电科技有限公司 | A kind of control method and system of sewing machine electromagnet |
| CN109610106B (en) * | 2019-01-22 | 2021-12-24 | 浙江众邦机电科技有限公司 | Control method and system for electromagnet of sewing machine |
| CN109898242A (en) * | 2019-03-07 | 2019-06-18 | 杰克缝纫机股份有限公司 | A kind of Multifunction Sensor control method and system |
| CN109898242B (en) * | 2019-03-07 | 2021-05-07 | 杰克缝纫机股份有限公司 | Multifunctional sensor control method and system |
| TWI826932B (en) * | 2022-02-17 | 2023-12-21 | 高林股份有限公司 | Sensor-type foot press device for sewing machine |
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Effective date of registration: 20201125 Address after: 318000 no.1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Zhejiang weibima Intelligent Sewing Technology Co., Ltd Address before: 318000 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |